Related Clues:

• Wave peak
• Sea feature
• Hit the high point
• Cockatoo's topper
• Whitestrips maker
• Black belt's blow
• With 39 Across, Chinese dish
• Ocean-wave topper
• Lamb _____
• Umbrella bird's 'umbrella'
• Work on the woodpile
• On the double, when doubled
• Peak of a wave
• Cockatoo feature
• Comber's comb